Dating fossils using radioisotopes

03-May-2020 14:16

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The rate of iodine-131 uptake, determined with a Geiger counter or other scanning device, indicates whether the thyroid glands are functioning properly.

Sodium chloride containing sodium-24, can be injected into the bloodstream to study blood circulation.

This technique is widely used on recent artifacts, but educators and students alike should note that this technique will not work on older fossils (like those of the dinosaurs alleged to be millions of years old).

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As stated previously, carbon dating cannot be used on artifacts over about 50,000 years old.

One gram of of the element radium generates approximately 1 curie of activity (Marie Curie, the woman after whom the curie is named, did much of her research using radium).

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